Annual, grass-like or herb, 0.3 m high. Fl. green, Sep to Dec. Grey sand, calcareous loam, often saline. Saline flats, salt lakes, saltmarshes, beach sandhills.
Beard’s Provinces: Eremaean Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Coolgardie, Esperance Plains, Geraldton Sandplains, Hampton, Jarrah Forest, Mallee, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Eastern Goldfield, Eastern Mallee, Edel, Fitzgerald, Geraldton Hills, Hampton, Northern Jarrah Forest, Perth, Recherche, Southern Cross, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions: Abrolhos Islands, Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs): Albany, Bruce Rock, Busselton, Carnamah, Chapman Valley, Cockburn, Coolgardie, Cunderdin, Dandaragan, Denmark, Dundas, Esperance, Goomalling, Greater Geraldton, Harvey, Kent, Kwinana, Lake Grace, Mandurah, Manjimup, Mingenew, Moora, Murray, Narrogin, Northam, Northampton, Plantagenet, Ravensthorpe, Rockingham, Shark Bay, Stirling, Swan, Tammin, Victoria Plains, Waroona, West Arthur, Wickepin, Williams, Wongan-Ballidu, Woodanilling, Wyalkatchem, York.
Alternative Names. Curved sicklegrass, sickle grass.
General Biology. Growth form. Grass. Life form. Annual, caespitose. Reproduction. Seed. Dispersal. Water. Photosynthetic Pathway. C3.
Notes. Naturalised in the Americas, South Africa, India, New Zealand and southern Australia. Occurs on soils ranging from loams to clays in areas subject to seasonal flooding. Tolerant of high salinity levels and is a key coloniser of saline depressions. Has a short growing period, and matures rapidly after flowering and breaks up. Surface salinity can greatly affect the timing of seedling germination, with germination increasing substantially after salinity levels drop below a certain threshold. Will vary spatially and in abdundance between years depending on rainfall.
Additional information. Origin. Mediterranean coast and western Europe. History of use/introduction. Forage.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/